Supplements have always been a bit of a sticking point for those of us that use alternatives, particularly knowing the right dosing/formulation to get as close to what IP supplements provide as possible. And the website that used to sell IP products has now gone the way of Nashua Nutrition and sells alternatives (but at near-IP prices!)
In my reboot, I did some searching and found this website, which breaks down the formulation of the 3 main supplements (calcium, magnesium and potassium), as well as the nutritional components of each of the Big 3 - Multi-Vita, K-Cal and Cal-Mag.
http://www.ihpweightloss.com/Notes/P...t_Overview.pdf
It definitely helped me track down vitamins at my local store that get as close as possible to the IP brand!